indexUpdateCallback.addClickCountField(doc, "http://example.com", "click_count");

        assertEquals(42, doc.get("click_count"));
    }

    public void test_addFavoriteCountField() {
        searchLogHelper.favoriteCount = 99L;

        Map<String, Object> doc = new HashMap<>();
        indexUpdateCallback.addFavoriteCountField(doc, "http://example.com", "favorite_count");